<template>
  <div class="login">
    <el-form ref="form" :model="form" class="container" :rules="rules">
      <el-form-item>
        <div class="avatar">
          <img src="../assets/avatar.jpg" alt="">
        </div>
      </el-form-item>
      <el-form-item prop="username">
        <el-input v-model="form.username" placeholder="账户" prefix-icon="myicon myicon-user"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="form.password" placeholder="密码" prefix-icon="myicon myicon-key" type="password"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" class="login-btn" @click="loginSubmit('form')">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import {checkUser} from '@/api'

export default {
  data () {
    return {
      form: {
        username: '',
        password: ''
      },
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    loginSubmit (formName) {
      this.$refs[formName].validate(valide => {
        // 只有校验通过，才执行函数
        if (valide) {
          checkUser(this.form).then(res => {
            // 如果成功要跳转至首页, 将token保存到localStorage
            if (res.meta.status === 200) {
              localStorage.setItem('mytoken', res.data.token)
              // this.$store.commit('setUsername', res.data.username)
              this.$router.push({name: 'Home'})
            } else {
              // 如果失败，展示提示信息
              this.$message({
                type   : 'error',
                message: res.meta.msg
              })
            }
          })
        } else {
          console.log('校验不通过')
        }
      })
    }
  }
}
</script>
<style lang="scss" scoped>
.login {
  position        : fixed;
  width           : 100%;
  height          : 100%;
  background-color: #2f4050;

  .container {
    position  : absolute;
    left      : 0;
    right     : 0;
    width     : 400px;
    padding   : 0px 40px 15px 40px;
    margin    : 200px auto;
    background: white;
    .avatar {
      position     : relative;
      left         : 50%;
      width        : 120px;
      height       : 120px;
      margin-left  : -60px;
      margin-top   : -60px;
      box-sizing   : border-box;
      border-radius: 50%;
      border       : 10px solid #fff;
      box-shadow   : 0 1px 5px #ccc;
      overflow     : hidden;
    }
    .login-btn {
      width: 100%;
    }
  }
}
</style>
